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Security System Sensors

Shop the best prices on 10,095 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Other and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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321 - 352 of 10,095
25-26 Refrigerator Freezer Door Alarm with 60-Second Alert, Adjustable Volume & Open Sensor
$31.95 Save $32.05 RRP: $64.00
Wifi Temperature Sensor Tuya Thermometer Detector Digital Display Home Smart Life App Alert Freezer f74 26-27s
$94.00 Save $95.00 RRP: $189.00
2Pcs IR Alarm Sensor Automatic Beam Detector for Burglar Security System 26-27s
$74.00 Save $75.00 RRP: $149.00
2026 SNZB-04P Zigbee Door Window Sensor Door Open/Close Detector for EWeLink App ZBBridge Required Work with Alexa Google Home
$24.95 Save $24.00 RRP: $48.95
2026 Door Single Beam Infrared Beam Alarm Waterproof High Sensitivity Infrared Beam Sensors for Schools Homes Black
$21.95 Save $22.00 RRP: $43.95
Magnetic Door Window Contact Sensor No/nc Magnetic Switch Easy To Install 26s
$22.95 Save $22.00 RRP: $44.95
Home Magnetic Window Sensor App Notification Zero False Alarm Multi-purpose Application
$16.95 Save $42.05 RRP: $59.00
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alarm
$45.95 Save $93.05 RRP: $139.00
Loud 130dB Wireless Door Open Detector Magnetic Alarm Sensors For Garage Door Window Real Time Alerts Easy Installation
$26.95
Tuya ZigBee Vibration Sensor Smart Home Vibrator
$18.95
Tuya Wifi Smart Door Magnetic Sensor App Control Usb Wireless Door Window Sensor Door Magnetic Alarm Detector
$13.95
Security Window Door Burglar Alarm Bell Anti-theft Wireless Sensor Detector
$9.95
Mc-38 Wired Door Window Sensor Wire Magnetic Switch Home Alarm System N.c Type
$13.95 Save $65.05 RRP: $79.00
Smart Home Zigbee Temperature and Humidity Sensor Remote Control Work with Assistant
$19.95 Save $6.00 RRP: $25.95
4-Pack Waterproof Power Relay for Garage Door, Heavy DutyThermoplastic
$39.95 Save $109.05 RRP: $149.00
Tuya ZigBee Door Sensor: Open/Close Detection & App Alerts
$84.00 Save $45.00 RRP: $129.00
Wireless Vibration Alarm Detector Door Window Burglar Induction Alarm 433MHZ Home Security System
$25.95 Save $15.00 RRP: $40.95
[New] REACHFAR V23 4G Internet Door Sensor Alarm Home Door Window Sensor Alarm
$104.00
(New) C100 125dB Vibration Sensor Alarm Door and Window Alarm Home Personal Anti-theft Alarm(White)
$31.95
(New) SNT40 Infrared Sensor Access Control Switch Button Out Button
$44.95
(New) Magnetic Sensor Alarm Door Window Security System, RL-9805
$18.95
[New] NEO NAS-DS07W WiFi Door Sensor & Window Sensor
$43.95
[New] DOBERMAN SE-0106 Ultra-slim Round Door / Window Alert Detect Vibration Sensor Alarm for Home Alarms Security
$32.95
[New] NEO NAS-AB02B ZigBee USB Siren Alarm Sensor
$49.95
[New] PB-69W WIFI Smart Wireless Magnetic Door and Window Sensor
$32.95
[New] 433MHz Wireless Low Power Door Sensor(White)
$18.95
[New] DY-JL100A Wireless Shutter Door Intelligent Door Magnetic Detector
$38.95
[New] MSA-803 Window Vibration Alarm Door Stopper Flashing Light Burglar Alarm
$34.95
[New] 10 PCS Embedded NC Model Door Magnetic Sensor Switch
$33.95
5 Sets Magnetic Reed Switch DC100V Normally Open Closed Recessed Wired Door Window Sensor Switch for Alarm System White
$27.95 Save $16.00 RRP: $43.95
Wireless Magnetic Wave Signal Detector Bug Sweeper Listening Device Anti Spy Hidden Camera Detector
$119.00 Save $60.00 RRP: $179.00
Infrared Beam Sensor Intrusion Alarm Outdoor Long Distance Infrared Detector AC1218V DC1224V 30m/98.4ft
$54.00 Save $30.00 RRP: $84.00